/// <summary>
 /// 更新城市
 /// </summary>
 /// <returns></returns>
 public static int UpdateRegion(string fkid, List <int> regionids, int type)
 {
     try
     {
         using (var dbhelper = new SqlDbHelper(ConfigurationManager.ConnectionStrings["Gungnir"].ConnectionString))
         {
             var delresult = DALChangeCategory.DelRegionid(dbhelper, fkid);
             foreach (var regionId in regionids)
             {
                 foreach (var item in fkid.Split(','))
                 {
                     var insertResult = DALChangeCategory.InsertCityId(dbhelper, item, regionId, type);
                 }
             }
         }
         return(1);
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }